Boxlight · Under 3,000 lumens · XGA
Boxlight CP-731i
1,600lumens
1024×768native
2.06–2.47throw ratio
3.3 kgweight
The Boxlight CP-731i is a 0.90" 3LCD projector rated at 1,600 lumens with a native resolution of 1024×768. It uses a 160w uhb bulb light source rated for 2,000 hours. Its lens has a throw ratio of 2.06–2.47:1. Released February 2001.
Throw distance table
Distance from lens to surface for each image width (4:3 (XGA)). Calculated as throw ratio × width; check the manufacturer's lens calculator before installation.
| Image width | Height | Standard lens 2.06–2.47:1 |
|---|---|---|
| 2 m (6.6 ft) | 1.5 m | 4.1–4.9 m |
| 3 m (9.8 ft) | 2.25 m | 6.2–7.4 m |
| 4 m (13.1 ft) | 3.0 m | 8.2–9.9 m |
| 5 m (16.4 ft) | 3.75 m | 10.3–12.4 m |
| 6 m (19.7 ft) | 4.5 m | 12.4–14.8 m |
| 8 m (26.2 ft) | 6.0 m | 16.5–19.8 m |
| 10 m (32.8 ft) | 7.5 m | 20.6–24.7 m |
| 12 m (39.4 ft) | 9.0 m | 24.7–29.6 m |
| 15 m (49.2 ft) | 11.25 m | 30.9–37.1 m |
| 20 m (65.6 ft) | 15.0 m | 41.2–49.4 m |
| 25 m (82.0 ft) | 18.75 m | 51.5–61.8 m |
| 30 m (98.4 ft) | 22.5 m | 61.8–74.1 m |
Open in the throw-distance calculator →
Maximum image size for projection mapping
Largest image that keeps a 10:1 contrast against ambient light on a light, matte surface (80% optical efficiency). See how this is calculated.
| Ambient light | Max area | Max width × height |
|---|---|---|
| Dark rural site (1 lux) | 142 m² | 13.8 × 10.3 m |
| Quiet street at night (5 lux) | 28 m² | 6.2 × 4.6 m |
| Lit city square (15 lux) | 9 m² | 3.6 × 2.7 m |
| Bright urban area (30 lux) | 5 m² | 2.5 × 1.9 m |
| Indoor, lights dimmed (50 lux) | 3 m² | 1.9 × 1.5 m |
Full specifications
| Aspect Ratio | 4:3 (XGA) |
|---|---|
| Audible Noise | 37 dB |
| Color Processing | 8-bit |
| Contrast | 300:1 (full on/off) |
| Data Modes | MAX 1280x1024 |
| Digital Keystone | Vertical only |
| Digital Zoom | Yes |
| Display Type | 0.90" 3LCD |
| Features | FCC B |
| Image Size | 40.00" - 200.00" |
| Included Lens | 1.2x manual zoom , manual focus |
| Internal Speakers | 1.0 Watts × 2 |
| Lamp Model | 78-6969-9260-7 Buy 78-6969-9260-7 Lamp |
| Lens Shift | No |
| Light Source | 160W UHB bulb |
| Light Source Life | 2,000 hours |
| MSRP | $6,999 (USD) |
| Power | 250 Watts 100V - 240V |
| Projector Placement | For a " diagonal screen, place the projector lens between 13'-8" and 16'-4" from the screen. |
| Projector Size | 3.00" x 11.70" x 8.90" (HxWxD) |
| Released | February 2001 |
| Resolution | 1024x768 |
| Status | Discontinued |
| Throw Distance | 6.5' - 27.3' Calculate Throw Distance |
| Throw Ratio | 2.06:1 - 2.47:1 (D:W) |
| Video Modes | No |
| Warranty | 2 Years |
| Weight | 7.2 lbs |
| White Brightness | 1,600 Lumens (ANSI) 1 |
Specifications compiled from ProjectorCentral and manufacturer data. Prices change — verify with dealers.
Similar projectors
| Model | Lumens | Resolution | Light source | Throw ratio | Street price |
|---|---|---|---|---|---|
| Boxlight 9600 | 1,600 | 1024×768 | 400W Metal Halide bulb | $8,999 | |
| Boxlight MP-36t | 1,600 | 1024×768 | 200W UHP bulb | 1.77–2.3:1 | $5,899 |
| Hitachi CP-RX61 | 1,600 | 1024×768 | 165W UHB bulb | 1.5–1.81:1 | $1,995 |
| Delta AV3150 | 1,600 | 1024×768 | 130W UHP bulb | ||
| Sanyo PLC-XP17N | 1,600 | 1024×768 | 200W UHP bulb | 1.77–2.3:1 | $8,995 |
| EIKI LC-X983 | 1,600 | 1024×768 | 200W UHP bulb | 1.82–2.37:1 | $8,995 |
| Boxlight CP-305t | 1,700 | 1024×768 | 200W UHP bulb | 1.13–1.36:1 | $5,499 |
| Boxlight CP-306t | 1,700 | 1024×768 | 200W UHP bulb | 1.13–1.35:1 | $5,999 |